Roger Golubski, a retired homicide detective in Kansas City, Kansas, was arrested by Federal authorities on Thursday. Golubski is charged with kidnapping and sexually assaulting two women over 20 years ago.

The 69-year-old former detective appeared in court Thursday. He was charged with “sexually assaulting the first victim on multiple occasions between 1998 and 2001” and “sexually assaulting the second victim on multiple occasions between 1999 and 2002,” a press release from the Department of Justice stated. “The charges are six counts related to the rape of a woman from 1998 to 2001 and another from 1999 to 2002. This timeframe was when he was employed by the Kansas City, Kansas Police Department.

Golubski worked in law enforcement for 35 years.

Charges against Golubski stem from a years-long grand jury investigation. According to a 2019 civil complaint against him, Golubski was accused of being “a dirty cop,” CNN reports. He allegedly abused his power and exploited “vulnerable Black women, including Black women who worked as prostitutes.”

Golubski was the subject of a civil lawsuit filed by a wrongfully convicted man, Lamonte McIntyre. McIntyre and his mother alleged that Golubski framed him for a double homicide in 1994.

Golubski, who retired from the police department in 2010, was also accused of protecting drug dealers and framing innocent people.

The community distress attracted the attention of hip-hop mogul JAY-Z. His social-justice-oriented group, Team Roc, flashed a banner across their social media profiles and took out a full-page ad in The Washington Post last year, calling the alleged police corruption in Kansas City “one of the worst examples of abuse of power in U.S. history.”